Komatsu PC40 Tracks & Parts

Outfit your Komatsu PC40 mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 400x72.5Nx70, backed by a 24-month warranty and free freight to the lower 48.

Komatsu PC40 — Track Spec Sheet

Track size: 400x72.5Nx70
Width: 400 mm
Pitch: 72.5 mm
Links: 70
Guide: Offset guide

Tread Patterns

Directional — Angled directional lugs purpose-built for excavation, grading and trenching.

Complete the Komatsu PC40 Rebuild

Every wear part for the Komatsu PC40 undercarriage, fit-verified and ready to ship:

Front Idler — OEM Part #9237507
Top Roller — OEM Part #1180-9221

Tracks That Cross Over

The 400x72.5Nx70 track size is shared across these models — same track, verified cross-fit:

The TrackTECH Difference

Free freight to the lower 48 — every order ships free, with same-day dispatch on in-stock items.
Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
Drop-forged steel links for strength where the track meets the drive system.

Order your Komatsu PC40 tracks and parts today, or call (850) 816-7898 for build help. Not sure on size or guide? The Track Finder has you covered.

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Komatsu PC40 Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

400x72.5Nx70

Rubber tracks

Komatsu PC40 400x72.5Nx70 MX
- Heavy Duty | 400x72.5Nx70
$1,811.25$1,569.00
In stock

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Which tread fits Komatsu PC40?

Pick a tread for your jobsite — then buy above.

+ Recommended surface- Not the primary use— Application dependent

Pattern	Best Use	Key Traits	Road	Clay	Gravel	Mulch	Mud	Turf	Action
M MxMachine-matched track option	Available for this machine from the governed TrackTECH fitment record. Review the track option above for current price and availability.	Governed Fitment Machine-Matched Current Commerce Data	—	—	—	—	—	—	View

Built for Heavy Duty Use

Heavy-Duty Track Construction

Setting a new standard in heavy-duty performance. Find your exact fit, reduce avoidable downtime, and keep your machine working — not waiting.

Brand New
New belts — not remills or retreads.
Heavy-Duty Steel Guides
Precision-formed internal steel components support consistent sprocket engagement.
Continuous Steel Cord
Continuous internal steel reinforcement supports belt strength under repeated load.
Premium Wear-Resistant Rubber
Heavy-duty rubber construction built for abrasion and daily commercial use.
Precision Fitment
Governed width, pitch, and link count for the machine application.
High-Traction, Low-Vibration
Tread patterns matched to the jobsite.

Komatsu PC40 fitment data

Fitment & Part Numbers

Track Size	400x72.5Nx70
Idler	9237507

Related Collections

Will this track fit my Komatsu PC40?

Yes — this track is matched to the Komatsu PC40 by size and tread pattern.

How long do Komatsu PC40 rubber tracks last?

Most rubber tracks last 1,200–1,600 operating hours depending on terrain, alignment, and tension. Keeping tracks tensioned and clearing debris daily extends life.

Are these OEM or aftermarket Komatsu PC40 tracks?

OEM-grade aftermarket tracks built to factory fitment for the Komatsu PC40 — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.